Rayleigh and Mandelstam–Brillouin Light Scattering in Chalcogenide Glasses of the (Sb2S3)x(GeS2)100–x System

被引：0

作者：

I. I. Shpak

R. M. Yevych

A. I. Shpak

S. I. Perechinskiǐ

D. I. Bletskan

Yu. M. Vysochanskiǐ

机构：

[1] Uzhgorod National University,

来源：

Journal of Applied Spectroscopy | 2017年 / 84卷

关键词：

chalcogenide glasses; Rayleigh and Mandelstam–Brillouin light scattering; Landau–Placzek ratio; propagation velocity of the longitudinal hypersound wave; extinction coefficient; coordination number;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Rayleigh and Mandelstam–Brillouin light scattering has been investigated in chalcogenide glasses of the Ge–Sb–S system along the (Sb2S3)х(GeS2)100–х set (х = 0–50 mol %). Propagation velocity of the longitudinal hypersound wave, the high-frequency longitudinal elastic modulus, the extinction coefficient at the wavelength λ = 0.6328 microns, and the Landau–Placzek ratio are determined. The Landau–Placzek ratio for the glassy alloys of the Ge–Sb–S system depends strongly on the average coordination number and becomes maximal at Z = 2.67.

引用

页码：567 / 572

页数：5

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